California State Parks’ Division of Boating and Waterways (DBW) today announced the availability of grant funding to help prevent the further spread of quagga and zebra mussels that threaten California’s waterways and cause negative impacts to recreational boating, fishing and the ecosystem. Funded by the California Mussel Fee Sticker (also known as the Quagga Sticker), the Quagga and Zebra (QZ) Mussel Infestation Prevention Grant Program expects to award up to $2 million across eligible applicants. Applications open Monday, March 9, and must be received by Friday, April 17, 2026, by 5 p.m. PDT.